Breadth of thought pertains to the topical range of information one considers in one’s thinking.

Thoroughness of thought pertains to the completeness of information one considers within the range of one’s thoughts.

Thoroughness is often confused with depth of thought, but depth pertains not to the information considered, but to the available range of conceptualizations of whatever information is considered. How many levels of meaning can be derived from the available information?

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For some time I have been uncomfortable with the phenomenological metaphor of “horizon”. The term suggests “breadth” of vision, when what is meant is more connected with breadth. Surely we can find a better metaphor, maybe even a non-ocular one.